Abstract
<p> The present study was carried out in the veterinary units on 14 normal cows and 32 cows with Retained Placenta. Cows were chosen after about 6 to 12 hours from parturition in Shebin Elkom, Menoufia, Egypt.</p><p> Results show that there was very highly significant increase of concentrations of all blood biochemical components, macro elements and micro elements in normal cows than those in retained fetal membranes cows except in globulin, Sodium and Manganese. On the other hand, plasma concentrations of biochemical components were highly significant between summer and winter in cholesterol, total protein and albumin but it wasn’t significant in glucose, globulin and A/G ratio. Moreover, there was very highly significant in plasma concentration between summer and winter in all macro elements except potassium and Ca/P ratio. Also, there was very highly significant in plasma concentration between summer and winter in all micro elements except Manganese. Meanwhile, plasma concentrations of biochemical components were not significant between parities except in A/G ratio. Furthermore, there was no significant in plasma concentration between summer and winter in all macro elements. But, there was very highly significant (P≤0.01) in plasma concentration of Cu and Cd between summer and winter, and it was significant (P≤0.05) in Fe and Se but, there was no significant in Co, Zn, Mn, and Mo.</p><p> The aim of this study was to determine blood plasma constituents and inorganic macro and micro elements in the case of retained placenta in crossbred cattle under Egyptian conditions.</p>
Highlights
Retained placenta (RP) is one of the main reproductive disorders in dairy cattle
The risk factors associated with RP include twins, dystocia, stillborn calf, induced parturition, abortion, milk fever, and increasing age, as well as conflicting seasonal effects (Gröhn & Rajala-Schultz 2000)
Blood samples collected from jugular vein into clean heparinized test tubes were centrifuged at 3000 rpm for 20 minutes, blood plasma was carefully separated and stored frozen at –20 ̊C
Summary
Retained placenta (RP) is one of the main reproductive disorders in dairy cattle. Fetal membranes “placenta” is a vital organ for prenatal transfer of nutrients, oxygen and immunity from the mother to the fetus. It is normally released in the short time post parturition. The risk factors associated with RP include twins, dystocia, stillborn calf, induced parturition, abortion, milk fever, and increasing age, as well as conflicting seasonal effects (Gröhn & Rajala-Schultz 2000). Cows with RP have to increased uterine activity in the days after calving (Frazer 2005). The incidence of retained placenta in dairy cattle averages around 4% and appears to be worsening (Esslemont & Kossaibati 2002). The aim of this study was to determine blood plasma components in case of RP in Egyptian crossbred cattle
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